Christopher W. Behan took what might be called the LeBron James approach to having kids: “Not one, not two, not three, not four … ” But unlike the professional basketball star’s championship prediction, Behan’s numbers are a reality. He and his wife — Southern Illinois University School of Law adjunct professor Valery Behan — have seven children, a total that helped him learn to deal with a variety of personality types. “It gives you a perspective on life that you can …